Q: What are the prime factors of the number 253,270,766?

 A: 2, 7, 127, 181, 787

Why are those the prime factors of the number 253,270,766?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 253,270,766

253,270,766
Factor Arrows
2126,635,383
Factor Arrows
718,090,769
Factor Arrows
127142,447
Factor Arrows
181787

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 7, 127, 181, 787

We can check our work by multiplying all of the prime factors together: 2 x 7 x 127 x 181 x 787 = 253,270,766

This can also be written as 21 x 71 x 1271 x 1811 x 7871 = 253,270,766

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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